Zinc sulphate is a colorless crystalline&comma; water-soluble&period; The hydrated form&comma; ZnSO4·7H2O&comma; the mineral &comma; was historically known as "white vitriol" and can be prepared by reacting zinc with aqueous &period;

Usage&colon; It is used to supply zinc in animal feeds&comma; fertilizers&comma; and agricultural sprays&period; ZnSO4·7H2O is used in making &comma; in coagulation baths for &comma; in for zinc plating&comma; as a in dyeing&comma; as a preservative for skins and leather and in medicine as an and emetic&period;

Zinc Sulphate Heptahydrate Specification&colon;

Components&colon;

Guaranteed Analysis&colon;

Typical Analysis&colon;

Zinc &lpar;Zn&rpar;&colon;

21&percnt;min

21&period;8&percnt;

Heavy Metal &lpar;As Pb&rpar;&colon;

0&period;002&percnt;max

< 0&period;001&percnt;

Cadmium &lpar;Cd&rpar;&colon;

0&period;002&percnt;max

< 0&period;001&percnt;

Arsenic &lpar;As&rpar;&colon;

0&period;001&percnt;max

< 0&period;0005&percnt;

Zinc Sulphate Monohydrate Specification&colon;

Product Quality

Specifications&colon;

GUARANTEED SALES ZINC SULPHATE SPECIFICATIONS&colon;

Components

Guaranteed Value

Typical Analysis Range

Zn&colon;

35&period;5&percnt; min

35&period;8~36&period;2&percnt;

As&colon;

10ppm max

<3ppm

Pb&colon;

20ppm max

<10ppm

Cd&colon;

20ppm max

<12ppm

Fe&colon;

200ppm max

<85ppm

Hg&colon;

1ppm max

<1ppm

Particle Size &lpar;through 250 µm Sieve&rpar;&colon;

>98&percnt;

OTHER COMPONENTS AND PROPERTIES&colon;&lpar;for reference only&rpar;

Co&colon;

50ppm max

<20ppm

Ni&colon;

50ppm max

<20ppm

Mo&colon;

50ppm max

<35ppm

Se&colon;

40ppm max

<10ppm

Packing&colon; Net 25kg P&period;P Woven Bags&period;

Note&colon; It should ve protected by covers when transportation &comma; avoid rain&comma; moisture&comma; or mixed with acid &sol; alkali matter and color matter&semi; packed in dry and airiness place&comma; no contact with acid and alkali and color matter&period;